小升初英语知识点专项复习_词类_数词课件

课件26张PPT。数 词什么是数词？表示数目多少或顺序多少的词叫数词，数词分为基数词和序数词。表示数目多少的数词叫基数词；表示顺序的数词叫序数词。基数词onetwothreefourfivesixseveneightsevensixthreezeroninetwooneeightfourfivenumberssevensixthreezeroninetwooneeightfourfiveNumbers are widely used. Hello ， 86861873 --TitleNumber song Let’s sing a song ！Let’s count!1-10 one two three four five six seven eight nine ten 11-19 eleven twelve thirteen forteen fifteen sixteen seventeen eighteen nineteenLet’s review 102030405060708090100tenthirtyfortyseventysixtyOne hundredfiftyninetytwentyeightyDragon 1-1001324Look and Read100 one hundred1,000 one thousand1,000,000 one million1,000,000,000 one billion100???????????????? 2,000?????????????? 30,000????????????? 400,000????????????? 5,000,000????????????60,000,000??????????700,000,000???????? 8,000,000,000??????? 90,000,000,000???????????????????? 100,000,000,000????Can you read them ?hundred?thousand?millionbillionone?hundred one?thousand ten?thousand one?hundred?thousand one?million ten?million one?hundred?million????? one?billion ten?billion one?hundred?billion tens/ hundreds/thousands/ millions of 一百????? ???????????????????? ?一千 ??????????? ?一万 ???????????????????????????????????????????? 十万? ????? 一百万???? ?????????????????? 一千 万 ???????????????????????? ?一亿 ??????? ?十亿 ????????????? ?一百亿?? ? ????????????????一千亿 数十/百/千/百万看谁译得快：,Step1:one hundred and twenty-three billion, Step2:four hundred and fifty-six million, Step3:seven hundred and eighty-nine thousand, Step4:one hundred and three103789456123,, 625 six hundred and twenty-five 8,961 eight thousand, nine hundred and sixty-one 95,680 ninety-five thousand, six hundred and eighty Look and PracticeLook and Practice 6,302,876 six million, three hundred and two thousand, eighty hundred and seventy-six 45,690,510,810 forty-five billion ,six hundred and ninety million, five hundred and ten thousand ,eight hundred and ten 8391What is the largest / smallest 4-digit number? 98311389Let’s do a practice! face to face number to number one --firsttwo--secondthree--thirdfour--fourthfive--fifthsix--sixthseven--seventheight--eighthnine--ninthten--tenth序数词twenty--twentieththirty--thirtiethforty--fortiethfifty--fiftiethsixty--sixtiethseventy--seventietheighty--eightiethninety--ninetieth tenthnintheighthseventhsixthfifthfourththirdsecondfirstordinal numbers tenthnintheighthseventhsixthfifthfourththirdsecondfirst一、二、三，特殊记， 加th从4起， 八少“t”，九去“e”， “ve”要用“f”替，(five, twelve) 见“y”变成“i”和“e”，词尾加上“th”， (twenty,thirty,--ninety) 若是遇到几十几，只变个位就可以。 ordinal numbers(序数词 ) Can you write their ordinal numbers?254412918721910190 401481001000December is the _____ month of the year. Monday is the _____ day of the week. English is spoken by most people as their _____ language in the USA, Great Britain, Australian, and Canada. The Games of the _____ Olympic in 2008 will be held in the city of ... ...